I currently have in mind:
Korean war, which was kind of a part of the cold war, dragging the UN in, proving to an extent effective since communism was contained in Korea. (despite MacArthur's moves).
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Russian Federation was certainly the biggest component after the collapse of USSR. However, I don't quite understand why the very valuable geopolitical position as a permanent member of UN Security ...

The Non-Proliferation Treaty of 1968 contains (among others) provisions that amount to the following:
There are five countries (the United States, Russia, the United Kingdom, France, and China) that ...

One of the reasons why the 1962 Cuban Missile Crisis did not escalate into a war was due to the diplomacy of Adlai Stevenson in the UN. Are there other instances where the defusing of a serious crisis ...

As per this article, India was offered a permanent seat on the UN Security Council in 1955 but Jawaharlal Nehru turned it down and the seat went to China. In light of the current lobbying that India ...

Presumably, due to its veto power, the United States has never been condemned by the UN Security Council, but has it has it ever been formally condemned by another UN governing body, like the General ...